<template>
  <div class="reg-container">
    <!-- 登录的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 登录表单区域 -->
      <el-form ref="loginRef" :model="loginForm" :rules="rulesObj">
        <el-form-item prop="username">
          <el-input placeholder="请输入用户名" v-model="loginForm.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input type="password" placeholder="请输入密码" v-model="loginForm.password"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="loginFn" class="btn-reg">登录</el-button>
          <el-link type="info" @click="$router.push('/reg')">去注册</el-link>
        </el-form-item>
        <el-form-item>

        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { loginAPI } from '@/api/index.js'
import { mapMutations } from 'vuex'
export default {
  name: 'my-login',
  data() {
    return {
      // 表单数据对象
      loginForm: {
        username: '',
        password: '',
      },
      // 表单规则校验对象
      rulesObj: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            pattern: /^[a-zA-Z0-9]{1,10}$/,
            message: '用户名必须是1-10的大小写字母数字',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            pattern: /^\S{6,15}$/,
            message: '密码必须是6-15的非空字符串',
            trigger: 'blur'
          }
        ],
      }
    }
  },
   methods: {
    //将保存token的方法映射到methods中
    ...mapMutations(['updateToken']),
    // 登录功能
    loginFn(){
      this.$refs.loginRef.validate( valid => {
        if(valid){
          loginAPI(this.loginForm).then((res) => {
            // console.log(res);
            if(res.data.code===0){
              this.$message.success(res.data.message)
              //  保存token
              this.updateToken(res.data.token)
              //跳转到首页
              this.$router.push('./') 

              // this.$router.push('/home')
            }else{
               this.$message.error(res.data.message)
            }
           
          })
        }else{
          return false
        }
      })

    }
   }
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 290px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 0 30px;
    box-sizing: border-box;

    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }

    .btn-reg {
      width: 100%;
    }
  }
}
</style>
